While for many of us style in August is defined by Vilebrequin swimming shorts, Havaianas flip-flops and Ray-Ban sunglasses, the world's leading men still have to dress up for the cameras, regardless of how high the mercury rises. The eight guys who did it best range from Mr David Beckham, who accessorised his casual outfit with a motorbike, to the British actor Mr Bill Nighy, who was, by his own high standards, dressed down for a stroll around Mayfair.